Added Kvaerno's example and a single run_benchmarks file. #165

	name: Build and test

	on:
	push:
	branches:
	- main
	pull_request:
	branches:
	- main

	jobs:
	build:
	name: Build project

	runs-on: ${{ matrix.os }}

	strategy:
	matrix:
	os: [ubuntu-latest, windows-latest, macos-latest]

	steps:
	- uses: actions/checkout@v4

	- name: Setup python
	uses: actions/setup-python@v5
	with:
	python-version: "3.8"
	cache: "pip" # caching pip dependencies

	- name: Install dependencies and scipy_dae
	run: pip install .

	- name: Install test dependencies
	run: pip install pytest pytest-cov

	- name: Test and coverage report with pytest-cov
	run: pytest --cov=scipy_dae --cov-report=term --cov-report=lcov --cov-report=xml

	- name: Run tests and collect coverage
	run: pytest --cov app ${{ env.CODECOV_ATS_TESTS }}

	- name: Upload coverage data
	uses: actions/upload-artifact@v3
	with:
	name: covdata
	path: coverage.xml

	- name: Upload coverage reports to Codecov
	uses: codecov/codecov-action@v4.0.1
	with:
	token: ${{ secrets.CODECOV_TOKEN }}

Provide feedback